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Installation And Operation Manual

Sound Choice Pro Audio A4 Series, Installation And Operation Manual

The Sound Choice Pro Audio A4 Series is a professional-grade audio system that offers top-notch sound quality. To ensure a seamless setup and operation, we provide an Installation and Operation Manual that can be easily downloaded for free from our website. Get the most out of your A4 Series by referring to our comprehensive manual available at 88.208.23.73:8080.

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A

4

Series

Professional

Class-D Four Channel Amplifier

INSTALLATION AND OPERATION MANUAL

Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty

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Summary of Contents for A4 Series

Page 1: ...A4 Series Professional Class D Four Channel Amplifier INSTALLATION AND OPERATION MANUAL Caution Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty ...

Page 2: ...during lightning storms or when unused for long periods of time 11 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 12 Th...

Page 3: ... and versatile mode of stereo parallel and bridge makes it work well with professional speakers and subwoofers With complete protection of clip high temp overload and short circuit to ensure these amplifiers work under severe working environment Features Switching power technology digital Class D power amplifier Green technology amplifier with 85 efficiency With PWM special power circuit to ensure...

Page 4: ...rotect clip signal indicators 9 Bridge stereo parallel indicators 10 CH4 protect clip signal indicators 11 CH4 volume knob 12 AC power switch REAR PANEL 1 AC Power Socket 2 CH4 speaker output 3 CH3 speaker output 4 CH2 speaker output 5 CH1 speaker output 6 CH4 XLR Input balanced 7 Bridge stereo parallel selector 8 CH3 XLR Input balanced 9 CH2 XLR Input balanced 10 Bridge stereo parallel selector 1...

Page 5: ...els to a single mono output This mode enables double the power to a single speaker output compared with standard mode The difference is that the speaker load must be no lower than 8Ω whether a single speaker or combined load Bridge mode can be useful especially when driving a large high power subwoofer Connect the speaker s for Bridge mode to the Channel 1 3 SPK output s Note that the SPK wiring i...

Page 6: ...utlet is switched on Power light is on but no other LEDs and no output Check input signal and connection leads Ensure channel gain controls are not turned fully down Power light and Signal LEDs are lit but no output Check speaker leads are in good condition and connected properly If speakers leads OK switch off again and refer to qualified service personnel Check speakers are in good working order...

Page 7: ...tion of this manual Variations and Options Variations Products supplied through legitimate sources are compatible with local AC power requirements Options No optional items are available for this product Warranty Warranty terms of global three years While the term and warranty may vary by country and may not be the same for all products Terms and conditions of warranty for a given product may be d...

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